首先我们来看下want和doing的大致意思：
want：词性为动词，want sb. to do sth.表示希望或要求某人做某事。
doing：词性为动名词，want sb. doing sth.表示希望或要求某人正在做某事。
通过下面的表格我们了解下want和doing的含义、发音和用法
接下来让我们看下want和doing的用法区别：
1.语法结构：want sb. to do sth.中的to do是不定式短语作宾语，want sb. doing sth.中的doing是动名词作宾语。
例子：
- He wants me to go shopping.
(他想让我去购物。)
- He doesn't want me watching TV at home.
(他不喜欢我在家看电视。)
2.动作完成度：want sb. to do sth.表示对某个动作的整体完成有要求，want sb. doing sth.则表示对某个动作的持续性有要求。
例子：
- He wants me to learn how to play the piano.
(他想让我学会弹钢琴。)
- She doesn't want me wasting time playing games.
(她不希望我把时间浪费在玩游戏上。)
3.态度和意愿：want sb. to do sth.更加强调主语的意愿和态度，want sb. doing sth.则更加强调对动作的状态或过程的要求。
例子：
- I want you to finish this task as soon as possible.
(我希望你尽快完成这个任务。)
- She wants me exercising every day.
(她希望我每天都锻炼身体。)
4.强调目的：want sb. to do sth.更加强调动作的目的，want sb. doing sth.则更加强调动作的过程。
例子：
- He wants me to help him fix the computer.
(他想让我帮他修理电脑。)
- The teacher wants us asking questions actively in class.
(老师希望我们在课堂上积极提问。)